1Adopts of PTC ceramic heating element and aluminum tube, low thermal resistance, high heat transfer efficiency. 2This product is a electric heater with automatic constant temperature and energy saving. 3This PTC ceramic air heater has the characteristic of surface insulation and high security. 4Suitable for direct blowing on objects or lifting the ambient temperature of no more than 10 cubic meters of space. 5Application: air conditioner, electric heater, instrument, general appliance, air curtain machine, humidifier, etc. Features: Adopts of PTC ceramic heating element and aluminum tube, low thermal resistance, high heat transfer efficiency. This product is a electric heater with automatic constant temperature and energy saving. This PTC ceramic air heater has the characteristic of surface insulation and high security. Suitable for direct blowing on objects or lifting the ambient temperature of no more than 10 cubic meters of space. Application: air conditioner, electric heater, instrument, general appliance, air curtain machine, humidifier, etc. Specification: Material: Aluminum Weight: 1013g/35.7oz Rated Power: 700W Rated Voltage: 220V Heater specification: insulated PTC corrugated heater (no surface charge) Fan specification: 220V AC double layer ball 8038 axial flow fan Size: 205*80*105mm/8.1*3.1*4.1inch (including bracket size) Mounting Hole: 173*52mm/6.8*2inch Package List: 1 x PTC Ceramic Air Heater